Directorate of Taxation Regulations I
To formulate and to implement policies and technical standardization in General Provisions and Tax Procedures, Tax Collection with Coerce Warrant, Value Added Tax and Sales Tax on Luxury Goods, Other Indirect Taxes, Land and Building Tax, and Acquisition Duty of Right on Land and Building.

Directorate of Taxation Regulations II
To formulate and to implement policies and technical standardization in Income Tax regulations, tax treaty and international cooperation, legal assistance, and harmonization of tax regulation.